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How Much Worse Is a Total Cholesterol of 1,000 than 500?

Can total cholesterol be SO high, 1,000 vs. 500, that anything higher would not make a difference in how at risk the patient is for a heart attack? What about treatment options; would they differ? [...]

Can Heart Palpitations Be Caused by Low Iron Levels?

Heart palpitations—the perception that the heart is skipping beats, making extra beats or beating erratically, has multiple causes. Low iron levels can be associated with this situation, which ranges from annoying to frightening. Suddenly feeling [...]